Lesson 25 Let’s Do an Experiment!ppt配套的教案及板书设计

洮阳初中九年级英语学科二次备课稿

备课人：王妍

审核人：赵喜娟

Unit5

Look into Science 章节课题

课型

New Lesson Lesson 25 Let’s Do an Experiment!

知识目标:Words and expressions 教学目标

能力目标: Do and express the experiment 德育目标: Love science. 能够正确应用本课的重点词汇:Science, experiment, theory, fill, jar, upside, probe, observe掌握重点句型:1）A theory predicts what 教学重点

will happen. 2）I’m not sure.

3）Maybe you should do this experiment outside, Brian! 教学难点

掌握本课所学短语和重点句型的实际运用。

课时安排

教学辅助手段

一课时

教学PPT,录音机和磁带,多媒体等。

教学流程与知识点

Step 1.Greetings. Step 2. Think about it. 1. What kinds of experiments have you done in science class?

2. If you hold a jar that is filled with water upside down, what will happen? Step3. Read and answer Read the text and answer the following questions: 1) Why does Danny say they should do this experiment outside? 2) What will Brian do? 3) Does Danny have the same theory as Brian’s?

Step 4. Let’s do it.

1)

Discuss in groups about the experiment. 2)

Make a list of the materials and tools that we were used in the experiment. 3)

Write down two different theories.

4)

Write down the steps of doing the experiment. 5)

Write down the result of the experiment.

6)

Make a conclusion. Step 5. Language Points 1)

fill …with…

用……装满……

He has filled his case with many books. 他已经把书装满了箱子。

2) cover…with… 用……盖住……

Try to answer the two questions.Enjoy the pictures.

Read the text in groups.

Have a discussion with your group mates.

师生双边活动

个性化修改

I cover the top with a piece of cardboard.

3) upside down 的意思是“向下翻转过来”。

You hold the book upside down.

你把书拿Let the students 倒了。

write the 拓展：right side up 是“正面朝上”的意思。

important 4）be sure +that 从句表示“认为……一定……”。

language down. 而be not sure表示不确定。

I’m sure she will come here.

我确信她会

来。

I’m not sure when he’ll come here.

我不能肯定

他什么时候来这儿。

5) observed

动词, “观察”observe sb. do/ doing

sth.

例句：I observed her dance.

When I passed by the grass, I observed him

walking.

Step 6. Exercises

Let the students do some exercises about the key Students do some exercises. points.

Step 7. Homework 1）Finish off the exercises in the activity book.

2）Preview the Lesson 26.

板书设计：

Lesson 25 Let’s Do an Experiment!

maybe与may be another, the other, other, others turn on开，旋开（电灯、无线电、水龙头等）

turn off关掉

turn away转过脸不面对

turn over翻身，翻过来

turn up调高，调大

turn down关小，调低

本课时易错点记录：

课后反思：

审阅人：

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